C111123313121111121111331333133313331333133313121111331331121221   >>    C11112331312111112111133133313331333133313331312111133133112122   <<    C111123313121111121111331333133313331333133313121111331331121223   >>      C111123313121111121111331333133313331333133313121111331331121222   >>